<?php

/**
 * This is the model class for table "{{classes}}".
 *
 * The followings are the available columns in table '{{classes}}':
 * @property string $classid
 * @property string $parentid
 * @property string $classname
 * @property string $descripiton
 * @property integer $hot
 * @property integer $dateline
 * @property integer $updated
 */
class Classes extends CActiveRecord {

    /**
     * Returns the static model of the specified AR class.
     * @return Classes the static model class
     */
    public static function model($className=__CLASS__) {
        return parent::model($className);
    }

    /**
     * @return string the associated database table name
     */
    public function tableName() {
        return '{{classes}}';
    }

    /**
     * @return array validation rules for model attributes.
     */
    public function rules() {
        // NOTE: you should only define rules for those attributes that
        // will receive user inputs.
        return array(
            array('hot, dateline, updated', 'numerical', 'integerOnly' => true),
            array('parentid', 'length', 'max' => 11),
            array('classname, descripiton', 'length', 'max' => 255),
            // The following rule is used by search().
            // Please remove those attributes that should not be searched.
            array('classid, parentid, classname, descripiton, hot, dateline, updated', 'safe', 'on' => 'search'),
        );
    }

    /**
     * @return array relational rules.
     */
    public function relations() {
        // NOTE: you may need to adjust the relation name and the related
        // class name for the relations automatically generated below.
        return array(
        );
    }

    /**
     * @return array customized attribute labels (name=>label)
     */
    public function attributeLabels() {
        return array(
            'classid' => 'Classid',
            'parentid' => 'Parentid',
            'classname' => 'Classname',
            'descripiton' => 'Descripiton',
            'hot' => 'Hot',
            'dateline' => 'Dateline',
            'updated' => 'Updated',
        );
    }

    /**
     * Retrieves a list of models based on the current search/filter conditions.
     * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
     */
    public function search($classid) {
        // Warning: Please modify the following code to remove attributes that
        // should not be searched.

        $criteria = new CDbCriteria;

        $criteria->compare('classid', $this->classid, true);
        $criteria->compare('parentid', $this->parentid, true);
        $criteria->compare('classname', $this->classname, true);
        $criteria->compare('descripiton', $this->descripiton, true);
        $criteria->compare('hot', $this->hot);
        $criteria->compare('dateline', $this->dateline);
        $criteria->compare('updated', $this->updated);
        
        if($classid){
            $criteria->addCondition("parentid=".(int)$classid); //设定父分类id
        }

        return new CActiveDataProvider($this, array(
                    'criteria' => $criteria,
                ));
    }

    protected function beforeSave() {
        if (parent::beforeSave()) {
            if ($this->isNewRecord) {
                $this->dateline = time();
            }
            $this->updated = time();
        }
        return true;
    }

}